Paras Agarwal

1. Migrated the business database from RDS to Redshift using AWS DMS, AWS Firehose, AWS Lambda and AWS S3 buckets to efficiently run queries and analyse user data which led to important business decisions. 2. Co-Designed and Co-Developed the multi-bot conversation UI of the SwiftChat app along with multiple engagement features for users which was a major contributor to the app winning the Best with AI app of 2023 on the Google Play store. 3. Ensured error-free and smooth integration of features like payments, notifications, live quizzes, competitions etc, by rigorous unit testing and integration testing using chai mocha and supertest. 4. Single-handedly populated the Redshift tables with real-time data by streaming it from DynamoDB using AWS Firehose, AWS Lambda, AWS S3 buckets and stored procedures to keep the data consistent in a distributed database ecosystem. 5. Collaborated to create a rewarding system in the app for users to play games and win rewards in multiple lucky draws, which were floated to winners using RazorpayX composite payouts. 6. Mentored a team of 4, to ramp up on the projects and helped them with the tasks. 7. Worked on creating multiple cloud formation stacks to automate the creation of different resources like AWS Elastic Beanstalk environments, AWS Lambda, AWS SQS etc. 8. Single-handedly automated the process of streaming Cloudwatch logs into a Slack channel every 15 minutes, using AWS Event Bridge, and Slack APIs, which resulted in the reduction of turnaround time, for the logs monitoring and application performance analysis. 9. Conducted multiple load tests using artillery for different features to test the load during times of high traffic. 10. Designed optimal architecture to execute external APIs for nodemailer asynchronously, ZOHO tickets and OTP system using AWS SQS, and AWS Lambda to reduce the request execution time, for the in-app requests.

1. Worked on Google’s Firebase Cloud Messaging to enable notifications for users using cron jobs. 2. Worked on creating multiple feature API call contracts and developed end-to-end optimised solutions for new features like social feeds, feedback, rating systems, payments etc. 3. Have worked on multiple efficient dump scripts to dump feature data in tables for different environments. 4. Worked with IAM roles to provide access to different AWS resources according to the roles.